- Jan 1 76th Sugar Bowl: #5 Florida beats #3 Cincinnati, 51-24
- Jan 1 96th Rose Bowl: #8 Ohio State beats #7 Oregon, 26-17
- Jan 1 Suicide car bomb detonates at a volleyball tournament in Lakki Marwat, Pakistan, killing 105 and injuring 100
- Jan 3 Phil Taylor successfully defends his PDC World Darts title with a 7–3 victory over Simon Whitlock of Australia in the final in London; Taylor's 13th PDC and 15th overall world championship
- Jan 4 39th Fiesta Bowl: #6 Boise State beats #3 TCU, 17-10
- Jan 5 76th Orange Bowl: #10 Iowa beats #9 Georgia Tech, 24-14
Shanahan Introduced as Coach
Jan 5 Mike Shanahan is formally introduced as head coach of the Washington Redskins
- Jan 7 College Football, 12th BCS National Championship, Rose Bowl, Pasadena: #1 Alabama beats #2 Texas, 37-21
3rd Spanish Title
Jan 9 Hopman Cup Tennis, Perth: María José Martínez Sánchez & Tommy Robredo of Spain beat British pair Laura Robson & Andy Murray 7-6, 7-5 to clinch a 2-1 win; Spain's 3rd title
Bryant Surpasses Chamberlain Record
Jan 21 LA Lakers forward Kobe Bryant becomes the youngest NBA player to reach 25,000 career points at 31 years, 151 days; beats Wilt Chamberlain by 35 days
- Jan 24 AFC Championship, Lucas Oil Stadium, Indianapolis, IN: Indianapolis Colts beat New York Jets, 30-17
- Jan 24 NFC Championship, Louisiana Superdome, New Orleans, LA: New Orleans Saints beat Minnesota Vikings, 31-28 (OT)
Williams Retains Title
Jan 30 Australian Open Women's Tennis: Serena Williams retains her title; beats Justine Henin of Belgium 6-4, 3-6, 6-2
Federer Defeats Murray
Jan 31 Australian Open Men's Tennis: Roger Federer outclasses Scotsman Andy Murray 6-3, 6-4, 7-6 for his 4th Australian title
- Jan 31 NFL Pro Bowl, Sun Life Stadium, Miami Gardens: AFC beats NFC, 41-34; MVP: Matt Schaub, Houston Texans, QB
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